9312229 has 2 divisors, whose sum is σ = 9312230. Its totient is φ = 9312228.

The previous prime is 9312211. The next prime is 9312241. The reversal of 9312229 is 9222139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 161604 = 3025^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 9312229 - 2¹¹ = 9310181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9312197 and 9312206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4656114 + 4656115.

It is an arithmetic number, because the mean of its divisors is an integer number (4656115).

Almost surely, 2^9312229 is an apocalyptic number.

It is an amenable number.

9312229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9312229 is an equidigital number, since it uses as much as digits as its factorization.

9312229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 9312229 is about 3051.5945012403. The cubic root of 9312229 is about 210.3865066380.

It can be divided in two parts, 931 and 2229, that added together give a triangular number (3160 = T₇₉).

The spelling of 9312229 in words is "nine million, three hundred twelve thousand, two hundred twenty-nine".